Noma ubani angathola ama-polyps amathumbu. Nokho, izici ezithile zobungozi zidlala indima enkulu ekubukekeni kwazo:

- Yiba ngaphezulu kweminyaka engama-50,

- Yiba nesihlobo sokuqala esinomdlavuza we-colorectal,

- Usuvele unomdlavuza we-colorectal ngokwakho,

- Wake waba nama-polyps amathumbu,

- Yiba yingxenye yomndeni one-polyposis yomndeni,

– Uphethwe yizifo zamathumbu ezivuvukalayo, njenge-Crohn’s disease kanye ne-ulcerative colitis (ulcerative colitis).

- Ukukhuluphala ngokweqile noma ukukhuluphala; â € ¨

- Ukubhema nokuphuza utshwala kakhulu; â € ¨

- Ukudla okunamafutha amaningi kanye ne-fiber ephansi yokudla; â € ¨

- Indlela yokuphila engenzi lutho; â € ¨

- Ukuba ne-acromegaly phindaphinda ngo-2 kuya ku-3 ingozi ye-adenomatous polyp kanye nomdlavuza wekoloni.